#include "ourhdr.h"
#define BUFFSIZE 8192

//1-2 stdin copy to a file
int main(void)
{
    int n;
    char buf[BUFFSIZE];
    while ((n = read(STDIN_FILENO, buf, BUFFSIZE)) > 0)
        if (write(STDOUT_FILENO, buf, n) != n)
            err_sys("write error","");

    if (n < 0)
        err_sys("read error","");

    exit(0);            
}

